package com.atguigu.gulimail.order.conf;

import org.springframework.amqp.core.Message;
import org.springframework.amqp.rabbit.connection.CorrelationData;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.amqp.support.converter.Jackson2JsonMessageConverter;
import org.springframework.amqp.support.converter.MessageConverter;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import javax.annotation.PostConstruct;

@Configuration
public class MyRabbitMQConf {

    @Autowired
    RabbitTemplate rabbitTemplate;

    @Bean
    public MessageConverter messageConverter(){
        return new Jackson2JsonMessageConverter();
    }

    @PostConstruct
    public void initRedisTemplate(){
        /**
         * 这个是发布者发送消息到服务器 broken 成功后的回调函数。
         */
        rabbitTemplate.setConfirmCallback(new RabbitTemplate.ConfirmCallback() {
            /**
             *
             * @param correlationData 当前消息的唯一关联数据 这个是消息的唯一id
             * @param ack 消息是否成功收到？
             * @param cause  失败原因
             */
            @Override
            public void confirm(CorrelationData correlationData, boolean ack, String cause) {
                System.out.println("correlationData:["+correlationData+"],ack:["+ack+"],cause:["+cause+"]");
            }
        });

        /**
         * 这个是消息从交换机投递到队列中，如果投递失败了，进行回调
         */
        rabbitTemplate.setReturnCallback(new RabbitTemplate.ReturnCallback() {
            @Override
            public void returnedMessage(Message message, int replyCode, String replyText, String exchange, String routingKey) {
                System.out.println("message:["+message+"]" +
                        ",replyCode:["+replyCode+"],replyText:["+replyText+"],exchange:["+exchange+"],routingKey:["+routingKey+"]");
            }
        });

    }

}
